/**
 * 
 */
package cn.edu.cqu.bysj.wm.util;

/**
 * @author Meng
 * 
 */
public class CalcTime {
	/**
	 * calculate time
	 * 
	 * @param startTime
	 * @return total run time
	 */
	public static long calcRunTime(long startTime) {
		long endTime = System.currentTimeMillis();
		long runTime = endTime - startTime;
		return runTime;
	}

}
